The length of Vietnam is roughly only the distance from New York City to Miami. This thin s-shaped country is famed for its tribal culture, ancient coastal towns and modern Ho Chi Minh City. The Mekong River cuts through southern Vietnam, spilling into the South China Sea, while the Red River passes through the capital of Hanoi and travels into the Gulf of Tonkin. Northern Vietnam is all about culture and magnificent karsts scenery. Home to mountains and a variety of indigenous groups that se...